[INFO] crate easytime 0.1.2 is already in cache
[INFO] extracting crate easytime 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/easytime/0.1.2
[INFO] extracting crate easytime 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/easytime/0.1.2
[INFO] validating manifest of easytime-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of easytime-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing easytime-0.1.2
[INFO] finished frobbing easytime-0.1.2
[INFO] frobbed toml for easytime-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/easytime/0.1.2/Cargo.toml
[INFO] started frobbing easytime-0.1.2
[INFO] finished frobbing easytime-0.1.2
[INFO] frobbed toml for easytime-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/easytime/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing easytime-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/easytime/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c3ddb4934c64fb4ba4ed1f6fd0668edda2b76ccc705d7838a6fff6229951638b
[INFO] running `"docker" "start" "-a" "c3ddb4934c64fb4ba4ed1f6fd0668edda2b76ccc705d7838a6fff6229951638b"`
[INFO] [stderr]    Compiling easytime v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "c3ddb4934c64fb4ba4ed1f6fd0668edda2b76ccc705d7838a6fff6229951638b"`
[INFO] running `"docker" "rm" "-f" "c3ddb4934c64fb4ba4ed1f6fd0668edda2b76ccc705d7838a6fff6229951638b"`
[INFO] [stdout] c3ddb4934c64fb4ba4ed1f6fd0668edda2b76ccc705d7838a6fff6229951638b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/easytime/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5780ac71ef29ac5b2adc0575740d78febd38d1a9f5edb214a404b1998561a47a
[INFO] running `"docker" "start" "-a" "5780ac71ef29ac5b2adc0575740d78febd38d1a9f5edb214a404b1998561a47a"`
[INFO] [stderr]    Compiling easytime v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "5780ac71ef29ac5b2adc0575740d78febd38d1a9f5edb214a404b1998561a47a"`
[INFO] running `"docker" "rm" "-f" "5780ac71ef29ac5b2adc0575740d78febd38d1a9f5edb214a404b1998561a47a"`
[INFO] [stdout] 5780ac71ef29ac5b2adc0575740d78febd38d1a9f5edb214a404b1998561a47a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/easytime/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3a66a13259f5ce0cc53a92b96d0b4c97cf9c6e578ecb7980300caea5d1b7bde5
[INFO] running `"docker" "start" "-a" "3a66a13259f5ce0cc53a92b96d0b4c97cf9c6e578ecb7980300caea5d1b7bde5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/easytime-181f6fb858f558ff
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/duration-eb14c0eaa0b7a8e8
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test add ... ok
[INFO] [stdout] test div ... ok
[INFO] [stdout] test creation ... ok
[INFO] [stdout] test checked_sub ... ok
[INFO] [stdout] test checked_div ... ok
[INFO] [stdout] test millis ... ok
[INFO] [stdout] test checked_add ... ok
[INFO] [stdout] test micros ... ok
[INFO] [stdout] test checked_mul ... ok
[INFO] [stdout] test sub ... ok
[INFO] [stdout] test mul ... ok
[INFO] [stdout] test secs ... ok
[INFO] [stdout] test nanos ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/instant-210898fce11f948d
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test instant_math ... ok
[INFO] [stdout] test instant_monotonic ... ok
[INFO] [stdout] test instant_duration_untrusted ... ok
[INFO] [stdout] test instant_elapsed ... ok
[INFO] [stdout] test instant_math_is_associative ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests easytime
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 33) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 33) stdout ----
[INFO] [stdout] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:33:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(checked_duration_since)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 33)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "3a66a13259f5ce0cc53a92b96d0b4c97cf9c6e578ecb7980300caea5d1b7bde5"`
[INFO] running `"docker" "rm" "-f" "3a66a13259f5ce0cc53a92b96d0b4c97cf9c6e578ecb7980300caea5d1b7bde5"`
[INFO] [stdout] 3a66a13259f5ce0cc53a92b96d0b4c97cf9c6e578ecb7980300caea5d1b7bde5